Metal pole



Patented Feb. 8, 1927.A

Y renateraraur irrice; l Y

AIDOLPH W. MALONE, OFFILL1VIORE`,UTAH, ASSIGNOR vOIF ONE-:HALF TO -ALBERT H.

VESTAL, OF ANDERSON, INDIANA. l i

METAL POLE. l

Application filed AugustlS, 1926. Serial No. 130,285.

My invention relates to an improved construction of metal poles or posts for use in the construction of telephone and telegraph lines, fence construction, and for 5 any other purposes for which such poles may be found appropriate, whereby such a pole or post is provided of a minimum weight and maximum carrying strength, and also one that will be durable and substantially permanent in use, and by the use of which the disadvantages experienced in the use f of wooden poles and posts are obviated,

all as will be hereinafter more fully described and claimed.

Referring to the accompanying drawings which are made a part hereof and on which similar reference characters indicate similar parts, Y

Figure l is an elevation of a complete pole e set into the ground,

Figure 2, a detail perspective of the lower.

end of the pole, v

Figure 3, a diagrammatic plan view'of the top of the pole, and

Figure 4, a detail view of other .forms of angle irons that may be employed.

In the accompanying drawings a pole or post of my improved construction is shown constructed of a series of members or strands L-shaped in cross-section, a portion of which extend in a spiral direction lengthwise of the pole and another portion extend lengthwise of the pole in a spiral direction reverse to that of the iirst portion.

In the drawings the outside members 5 are formed into a left-hand spiral and the inner members 6 are formed into alrighthand spiral, there being seven members extending in each direction and crossing each other at intervals throughout the length of the pole. The flat faces of the inner members and outer members bear against each other at the crossing points, as shown most clearly at the top of Figure 2, at which points the members are secured together by any approved method but preferably by electric welding, although riveting or any other approved method may be employed if desired.

At the extreme bottom of the post or pole is a' wide strong metal band 7 to which the lower ends of the members 5 and 6 are secured, and at a distance above the bottom another similar band 8 is provided to which said members are likewise secured, the band 8 being placed at theV ground line vor atvthe point where the greatest strain is placed upon the post in use. ltwill be understood, of course, that the bands 7 and 8 are of such width as may be appropriate for the particular character of pole and particular use to which it is toY be put, andV also that the members 5 and 6 are of appropriateV size to make a post or pole of the strength and ri idity'desired for any special purpose.

yreason of the special formof the members 5 and 6 secured together in a spiral form as shown, a pole with a comparatively small amount of metal is provided capable of carrying a comparatively great strain, the

angles of thel members being so positioned that each member supplements the other in resisting strain and lending strength and rigidity to the structure.

A similar band 9 is placed at the top of the pole to which the upper ends of the members 5 and 6 are secured in the same manner as indicated in respect tothe bands 7 and 8.

In Figure 4 1 have shown other forms of members angular in cross-section which may be used in lieu of the form shown in the principal iigures, if desired.

It will be obvious to those skilled in the art that the posts forming the subj ect-matter of this invention may be made of any length t or size desired to adaptV them for any particular use or purpose and that such modiications as permitted by kthe scope of the claims may be made without departing from p the spirit of my invention.

Having thus fully described my said invention, what I claim as new and desire tol secure by Letters Patent, is:

1( A. post of the class described formed of two groups of continuous bars of angle iron., one group wound rightfha'nd and the other group wound left-handthe faces of the several bars of eachV group being set parallel with the corresponding faces of the'other group and the bars of the two groups being secured together at crossing points, `substantially as set forth.

2. A post ofthe class described composed of an outer group of continuous bars of angle iron spirally wound in one direction, an inner group of continuous bars of angleiron spirally wound in the reverse direction, bands positioned between said outer and inner groups, the adjacent faces of the bars of the respective groups being adapted to rest ly ofsaid bands, and means for securing the bars of said' respective groups and saidbands` togethenl substantially; as set forth'.v

o 3. A post of the class described; compris-f ingmembers angular in cross section extending in a spiral direction lengthwise ofathe post, part of said members in one direction and part in the reverse direction, the' angles i0 ofthe Vmembers extending in one direction being Substantially paralisi with the angles of the members extending in the reverse direction, said members being secured to gether attheir-erossinggpoints, substantially as set forth;

In Witness whereof, I have hereunto set my hand and seal at /Vashington, District 

